28280926 has 16 divisors (see below), whose sum is σ = 42981840. Its totient is φ = 13955200.

The previous prime is 28280921. The next prime is 28280929. The reversal of 28280926 is 62908282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28280921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70326 + ... + 70726.

It is an arithmetic number, because the mean of its divisors is an integer number (2686365).

Almost surely, 2^28280926 is an apocalyptic number.

28280926 is a deficient number, since it is larger than the sum of its proper divisors (14700914).

28280926 is a wasteful number, since it uses less digits than its factorization.

28280926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 28280926 is about 5317.9813839464. The cubic root of 28280926 is about 304.6710634535.

The spelling of 28280926 in words is "twenty-eight million, two hundred eighty thousand, nine hundred twenty-six".